Question

# Print Smith number in given range only using main method.(A Smith Number is a composite number whose sum of digits is equal to the sum of digits in its prime factorization)

```				```
Enter Lower Range:1
Enter Upper Range:100
Smith numbers between 1 and 100:
4 22 27 58 85 94
```
```

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Code

```				```
import java.util.Scanner;
public class SmithNumberInGivenRange
{

public static void main()
{
int upperRange=0,lowerRange=0;
int sumd=0,sump=0,i=0,j=0,k=0,temp=0,temp1=0,flag=0;
Scanner sc=new Scanner(System.in);
System.out.print("Enter Lower Range:");
lowerRange=sc.nextInt();
System.out.print("Enter Upper Range:");
upperRange=sc.nextInt();
System.out.println("Smith numbers between "+lowerRange+" and "+upperRange+":");
for(i=lowerRange;i<=upperRange;i++)
{
temp=i;
while(temp>0)
{
sumd=sumd+(temp%10);
temp=temp/10;
}
temp=i;
for(j=2;j< i;j++)
{
while(temp%j==0)
{

flag=0;
//checking whether number is prime number or not
for(k=2;k< j;k++)
{

if(j%k==0)
{
flag=1;
break;
}
}
//if number is prime then only it is added to sump
if(flag==0)
{
temp1=j;
//Extracting digits if i >9 and then adding extracted digits to sump
while(temp1>0)
{
sump=sump+(temp1%10);
temp1=temp1/10;
}
temp=temp/j;

}

}
}

if(sumd==sump && i>0)
{
System.out.print(i+" ");
}
sumd=0;
sump=0;
}

}
}

```
```

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